<div class="teacher-item">
    <div
        class="<%= (i+1) %2 === 0 ? 'img-wrap last': 'img-wrap' %> "
    >
        <a href="<%= item.href %> " target="_blank">
            <img 
            src="<%= IMG_BASE_URL+item.teacherImgKey %> " 
            alt="">
        </a>
    </div>
</div>